#2548AC#2548AC

#2548AC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.0% C 0.165 H 265.3°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#2548AC
RGB	rgb(37, 72, 172)
HSL	hsl(224, 65%, 41%)
HSV	hsv(224, 78%, 67%)
CMYK	cmyk(78.5%, 58.1%, 0%, 32.5%)
CIE-LAB	lab(33.99, 24.60, -57.06)
CIE-LCH	lch(33.99, 62.14, 293.33°)
OKLab	oklab(44.01% -0.0134 -0.1648)
OKLCH	oklch(44.01% 0.165 265.3)
XYZ	xyz(10.5241, 8.0054, 40.0123)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2548AC #AC8925

analogous

#258BAC #2548AC #4525AC

triadic

#2548AC #AC2548 #48AC25

tetradic

#2548AC #AC258B #AC8925 #25AC45

square

#2548AC #AC258B #AC8925 #25AC45

split-complementary

#2548AC #AC4525 #8BAC25

monochromatic

#0F1E47 #1A337A #2548AC #3A62D5 #6C8ADF

Accessibility & contrast

On white

8.07

#2548AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2548AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2548AC

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2548AC	#FFFFFF	#000000	##FFFFFF
##2548AC	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#004AAA

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2548ac;
/* rgb */ color: rgb(37, 72, 172);
/* oklch */ color: oklch(44.0% 0.165 265.3);

Tailwind

colors: {
  custom: {
    50: '#757ac6',
    500: '#2548ac',
    950: '#000000',
  },
}

SCSS

$custom: #2548ac;
$custom-light: #757ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#2548ac",
  "rgb": {
    "r": 37,
    "g": 72,
    "b": 172
  },
  "hsl": {
    "h": 224.444,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.44005,
    "c": 0.16531,
    "h": 265.3
  },
  "luminance": 0.08007
}

Semantic roles & 50–950 ramp

primary

#2548AC

secondary

#C6AD67

accent

#BC40E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2548AC

Body copy rendered with the generated semantic roles for this colour.

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